torr (redirected from Conventional millimetre of mercury)
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a unit of pressure equal to one millimetre of mercury (133.322 newtons per square metre)
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
a subsidiary unit of pressure equal to 1/760 of an atmosphere. More precisely, a torr is equal to 101,325 newtons per m2 ÷ 760 = 133.322 newtons per m2, or 133.322 pascals. The torr was named in honor of E. Torricelli; the international symbol is Torr. An equivalent unit, the millimeter of mercury (mm Hg), is used more often in Russian scientific literature.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
A unit of pressure, equal to 1/760 atmosphere; it differs from 1 millimeter of mercury by less than one part in seven million; approximately equal to 133.3224 pascals.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.